Smoked Flank Steak is a delicious and juicy alternative to regular ribeye or sirloin cuts. When cooked properly, it can be a quick and easy steak that you can make on your pellet grill, charcoal smoker, or gas grill.
Sure, this humble cut isn’t always the first meat that comes to mind when you think of tossing a juicy steak on the grill. But we promise you that if you give this smoked flank steak recipe a try, you’ll be adding this cut to your regular meals.
Next time you are in search of the perfect steak, this smoked flank steak recipe should be at the top of your list. It cooks relatively quickly in the smoker and the end result is the most delicious and tender steak.
Table of Contents
Simple Marinade for Flank Steak
Marinating flank steak adds a ton of flavor and juiciness. Don’t skip this step! It is necessary to create the tender texture you’re craving. The marinade only takes a few minutes to mix together, while you’ll want your meat to sit for about 8 hours.
Here’s how you marinate your flank steak before smoking:
- Take your flank steak out of the fridge the morning that you plan on grilling it for dinner.
- Mix together the marinade ingredients below and place your flank steak in a Ziploc bag.
- Place the sealed bag back in the fridge for 7-8 hours, or until you’re ready to grill.
- Remove the marinated flank steak from the fridge about 30 minutes before grilling, pat dry with some paper towel but do not wash off the marinade.
- Season to your liking with a dry rub (ingredients below) and put it on the pellet grill.
That’s it! A super simple marinade process that anyone can do. Now, let’s get onto the actual smoking process.
How to make Smoked Flank Steak
If you are in search of an easy recipe to make smoked flank steak on the grill, then you are in the right place. Flank steak is the most underrated cut of beef, yet this budget-friendly cut is a hidden gem. When cooked properly, it can be one of the most flavorful steaks. For best results, season the steak with a good dry rub after marinating and then cook it with a pellet grill.
- Prep Time: 10 minutes
- Cook Time: 1 hour 30 minutes
- Marination time: 8 hours
- Total Time: 9 hours, 40 minutes
- Cooking Temperature: 225ºF
- Wood Flavor: Any type of wood chips
- Servings: 4
- Smoker of your choice (Pellet Grill / Smoker, a Charcoal Grill or Electric Grill)
- Wood chips (Hickory is preferred, but any flavor will work)
- Meat thermometer
- BBQ tongs
This smoked flank steak marinade is quick and easy to make. Simply whisk all of the ingredients below together in a bowl, Ziploc bag, or plastic container. Mix well and then place your flank steak into the marinade and ensure it is coated thoroughly.
- ¼ cup teriyaki sauce
- 1 tablespoon light brown sugar
- 1 tablespoon soy sauce
- 1 tablespoon apple cider vinegar
- 1 teaspoon garlic powder
- 1 teaspoon salt
- ½ teaspoon ground black pepper
Dry Rub Ingredients
Always apply the dry rub to your flank steak after it’s marinated: remove your steak from the marinade, pat it gently with a paper towel– do not wash it — and then apply the dry rub.
Also, feel free to experiment with the amount of each seasoning that you apply to your steak. More smoked paprika will give your steak a little more of a spicy kick. Less and you’ll get a nice subtle heat. You get the idea. If you’re just starting out, do equal parts of each ingredient.
- Smoked Paprika
- Garlic Salt
- Ground Pepper
- Kosher Salt
BBQ Hero Tip: If you want your dry rub to really stick, brush your flank steak with a little olive oil. The olive oil will help the rub stick without changing the flavor of the steak.
Smoking Flank Steak
The cooking process for smoked flank steak is quite simple. Once it is cooked you won’t believe how simple it was to make these amazingly delicious, juicy, and scrumptious steaks. So let’s dive into the method of preparing these smoked flank steaks.
- Add all the marinade ingredients to a mixing bowl then whisk them together until they’re well combined.
- Place the flank steak in a Ziploc bag and pour all the marinade that you made in. Squeeze the Ziplock bag to get as much air out as you can. Now place the marinating steak in the fridge for about 8 hours.
- During this time, mix together the dry rub ingredients.
- Once the steaks are marinated well and they have absorbed all the spices, remove the steak from the bag, pat it dry with paper towel, and apply the dry rub to all sides of the steak.
- Now it is time to smoke them on the grill. Set the temperature to 225ºF. And smoke your flank steak for about 1 hour 30 mins.
- Smoke to your desired steak doneness or to a minimum of 135ºF.
- Pull off the grill, slice against the grain and serve!
BBQ Hero Tip: Flank steak is more chewy then other cuts of beef. If you want it to be tender then thinly slice the steak after it’s been cooked. The thiner the slice, the less chewy it’ll be.
How to Smoke Flank Steak
1) Mixing the ingredients
Take a small bowl and add all the marinade ingredients to it. Whisk together all the ingredients really well so that they are combined completely. This is a simple marinade to make. Once the mixture is ready, set it aside.
2) Marinate the steak
First, take the flank steak and cut off any large deposits of surface fat. Then put the steak into a Ziploc bag and add the prepared marinade to the bag. Massage the marinade well on the steak so that it is coated completely. Then squeeze the Ziplock bag so that all the air is out. Now put it in the refrigerator and let it sit there for about 8 hours.
3) Prepare the grill
As the steak is in the fridge, prepare your rub and smoker. Mix all ingredients for the rub together and set aside. Shortly before the steak is ready to cook, heat the smoker to 225ºF. You can use hickory wood chips for amazing flavor. Once the grill is all heated up, now remove the steak from the fridge, apply the rub, and place it on the grill. Cook it for about 1 hour and 30 mins. The cooking time can vary depending on how much you want the flank steak to be done. Keep a close eye on the internal temperature and make sure the meat reaches 135ºF internally.
4) Serve and enjoy
Once the smoked flank steak is cooked to your desired internal temp, it’s time to serve the steak with some avocados or maybe some sour cream.
BBQ Hero Tip: If you really want to add some extra flavor to your smoked flank steak, try drizzling some chimichurri sauce onto it.
To measure doneness, here is this simple guideline that you can follow and see how you want your steak to look. All you have to do is just remove the steak from the smoker when it is 5 degrees lower than the below-mentioned temperature. The reason for that is once you remove the meat from the heat, it will still manage to continue cooking as it rests.
- Rare steak – 125ºF. The center of the steak is bright red and pink on the outside.
- Medium rare steak – 135ºF. The center of the steak is pink and slightly brown towards the outside.
- Medium steak – 145ºF. The center would be light pink and the outer side would be brown.
- Medium well steak – 155ºF. The center would be slightly pink and the outer portion would be brown.
- Well done steak – 165ºF. It would be completely brown throughout.
Smoked Flank Steak FAQs
Is there any other word for flank steak?
The alternative name that is most common for meat butchers to use is London Broil.
Do flank steaks get tender when you cook them for long?
Yes, they do get tender when cooked slowly for a longer period. They can be used in many dishes like flank steak tacos, Mongolian beef, and steaks in gravy.
How long does a flank steak need to rest?
Once off the smoker, you should let it rest for at least 5 minutes. Use foil to cover up the steak as the internal temperature of the meat will rise 5 degrees more. This process is called “carry-over” cooking.
At what internal temperature does the meat stop taking smoke?
As soon as it hits the 170ºF mark, it tends to stop taking smoke because the myoglobin present in the steak loses its ability to maintain oxygen.
Do you flip steaks while smoking?
Yes, you will have to flip them after some time to make sure it gets cooked evenly.
How long do you smoke a steak?
That all depends upon how thin the steak is. If the meat is thin then their internal temperature will rise quickly and it will take less time on the smoker.
Dad Joke: Why do astronauts put beef in their shampoo?…For meatier showers.
Other Great Smoked Beef Options
If you’re looking to try other smoked beef recipes, then you must give a try to our Smoked Eye Of Round, Smoked Bottom Round Roast, Smoked Ribeye Roast, our favorite, Easy Smoked Brisket recipes. They are just like this one: delicious and easy to make.